The ultimate test of a man's conscience may be his willingness to sacrifice something today for future generations whose words of thanks will not be heard.
It is horrifying that we have to fight our own government to save the environment.
We abuse land because we regard it as a commodity belonging to us.
We do not inherit the earth from our ancestors; we borrow it from our children
Man is a complex being: he makes deserts bloom - and lakes die.
Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has.
How wonderful it is that nobody need wait a single moment before starting to improve the world.
I think the environment should be put in the category of our national security. Defense of our resources is just as important as defense abroad. Otherwise what is there to defend?
The universe is not required to be in perfect harmony with human ambition.
I would feel more optimistic about a bright future for man if he spent less time proving that he can outwit Nature and more time tasting her sweetness and respecting her seniority.
When one tugs at a single thing in nature, he finds it attached to the rest of the world.
The use of solar energy has not been opened up because the oil industry does not own the sun.
The activist is not the man who says the river is dirty. The activist is the man who cleans up the river.
And forget not that the earth delights to feel your bare feet and the winds long to play with your hair.
All things are bound together. All things connect.
I have no doubt that we will be successful in harnessing the sun's energy... If sunbeams were weapons of war, we would have had solar energy centuries ago.
If we want to move towards a low-polluting, sustainable society, we need to get consumers to think about their purchases.
One person can make all the difference in the world. For the first time in recorded human history, we have the fate of the whole planet in our hands.
I like my women very green; you know, eco-friendly.
It's important for celebrities, environmentalists and world leaders to continue to increase education and eco-awareness through the forums provided to them naturally by virtue of being famous. Take inspiration from these words of wisdom from a Nazi-era teenager and concentration camp victim: "how wonderful it is that nobody need wait a single moment before starting to improve the world."
Making consumer choices that reward eco-friendly products and companies is a great way to start.
My New Year's style resolution is to buy and wear more clothing that is handmade by artisans or eco-friendly.
Teaching children how to be eco-friendly at preschool age is just so obvious and so fantastic. It creates habits that they get into for a lifetime and then they put pressure on their parents.
Right now, our mother -- our mother -- all of our mothers, Mother Earth is hurting. And she needs a generation of thoughtful, caring and active kids like all of you to protect her for the future. You can help us win the battle to clean up our air, our water, our land, to protect our forests, our oceans and our wildlife.
My daughter's just going to be really hip! My goal is to be as eco-conscious as possible: There's so much out there for parents who want to do that. I plan to keep her eco-friendly as she gets older. I think we all sort of have to do it.
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